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[u/mrichter/AliRoot.git] / PMD / TestPreprocessor.C
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cda4fe9e 1/* $Id$ */
2
3// This class runs the test preprocessor
4// It uses AliTestShuttle to simulate a full Shuttle process
5
6// The input data is created in the functions
58571f69 7// CreateDCSAliasMap() creates input that would in the same way come from DCS
8// ReadDCSAliasMap() reads from a file
9// CreateInputFilesMap() creates a list of local files,
10// that can be accessed by the shuttle
cda4fe9e 11
12void TestPreprocessor()
13{
58571f69 14 // load library
15 gSystem->Load("$ALICE_ROOT/SHUTTLE/TestShuttle/libTestShuttle.so");
16
17 // create AliTestShuttle instance
18 // The parameters are run, startTime, endTime
19 AliTestShuttle* shuttle = new AliTestShuttle(0, 0, 1);
20
21
22// printf("Test Shuttle temp dir: %s\n", AliShuttleInterface::GetShuttleTempDir());
23
24 // TODO if needed, change location of OCDB and Reference test folders
25 // by default they are set to $ALICE_ROOT/SHUTTLE/TestShuttle/TestCDB
26 // and TestReference
27
28 AliTestShuttle::SetMainCDB("local://TestCDB");
29 AliTestShuttle::SetMainRefStorage("local://TestReference");
30
31 printf("Test OCDB storage Uri: %s\n", AliShuttleInterface::GetMainCDB().Data());
32 printf("Test Reference storage Uri: %s\n", AliShuttleInterface::GetMainRefStorage().Data());
33
34
35 // TODO(1)
36 //
37 // The shuttle can read DCS data, if the preprocessor should be
38 // tested to process DCS data,
39 // some fake data has to be created.
40 //
41 // The "fake" input data can be taken using either (a) or (b):
42 // (a) data from a file: Use ReadDCSAliasMap()
43 // the format of the file is explained in ReadDCSAliasMap()
44 // To use it uncomment the following line:
45 //
46 // TMap* dcsAliasMap = ReadDCSAliasMap();
47 //
48 // (b) generated in this macro: Use CreateDCSAliasMap() and
49 // its documentation
50 // To use it uncomment the following line:
51 //
52
53 TMap* dcsAliasMap = CreateDCSAliasMap();
54
55 // now give the alias map to the shuttle
56
57 shuttle->SetDCSInput(dcsAliasMap);
58
59 // TODO(2)
60 //
61 // The shuttle can also process files that originate from DCS, DAQ and HLT.
62 // To test it, we provide some local files and locations where these would
63 // be found when
64 // the online machinery would be there.
65 // In real life this functions would be produces by the sub-detectors
66 // calibration programs in DCS, DAQ or HLT. These files can then be retrieved using the Shuttle.
67 //
68 // Files are added with the function AliTestShuttle::AddInputFile. The syntax is:
69 // AddInputFile(<system>, <detector>, <id>, <source>, <local-file>)
70 // In this example we add a file originating from the GDC with the id PEDESTALS
71 // Three files originating from different LDCs but with the same id are also added
72 // Note that the test preprocessor name is TPC. The name of the detector's preprocessor must follow
73 // the "online" naming convention ALICE-INT-2003-039.
74
75 shuttle->AddInputFile(AliShuttleInterface::kDAQ, "PMD", "PMD_PED.root", "GDC0", "PMD_PED.root");
76 shuttle->AddInputFile(AliShuttleInterface::kDAQ, "PMD", "PMDGAINS.root", "GDC0", "PMDGAINS.root");
77 shuttle->AddInputFile(AliShuttleInterface::kDAQ, "PMD", "PMD_HOT.root", "GDC0", "PMD_HOT.root");
78
79 // TODO(3)
80 //
81 // The shuttle can read run type stored in the DAQ logbook.
82 // To test it, we must provide the run type manually. They will be retrieved in the preprocessor
83 // using GetRunType function.
84
85 shuttle->SetInputRunType("PHYSICS");
86
87 // TODO(4)
88 //
89 // The shuttle can read run parameters stored in the DAQ run logbook.
90 // To test it, we must provide the run parameters manually. They will be retrieved in the preprocessor
91 // using GetRunParameter function.
92
93 shuttle->AddInputRunParameter("totalEvents", "30000");
94 shuttle->AddInputRunParameter("NumberOfGDCs", "15");
95
96 // TODO(5)
97 //
98 // The shuttle can query condition parameters valid from the current run from the OCDB
99 // To test it, we must first store the object into the OCDB. It will be retrieved in the preprocessor
100 // using GetFromOCDB function.
101
102 TObjString obj("This is a condition parameter stored in OCDB");
103 AliCDBId id("PMD/Calib/Hot", 0, AliCDBRunRange::Infinity());
104 AliCDBMetaData md;
105 AliCDBEntry entry(&obj, id, &md);
106
107 shuttle->AddInputCDBEntry(&entry);
108
109
110 // TODO(6)
111 // Create the preprocessor that should be tested, it registers
112 // itself automatically to the shuttle
113 // AliPreprocessor* test = new AliTestPreprocessor(shuttle);
114 AliPMDPreprocessor* test = new AliPMDPreprocessor(shuttle);
115
116 // Test the preprocessor
117 shuttle->Process();
118
119 // TODO(7)
120 // In the preprocessor AliShuttleInterface::Store should be called to put the final
121 // data to the CDB. To check if all went fine have a look at the files produced in
122 // $ALICE_ROOT/SHUTTLE/TestShuttle/TestCDB/<detector>/SHUTTLE/Data
123 //
124 // Check the file which should have been created
125 AliCDBEntry* chkEntry = AliCDBManager::Instance()->GetStorage(AliShuttleInterface::GetMainCDB())
126 ->Get("PMD/Calib/Hot", 7);
127 if (!chkEntry)
128 {
129 printf("The file is not there. Something went wrong.\n");
130 return;
131 }
132
133 AliPMDHotData* output = dynamic_cast<AliPMDHotData*> (chkEntry->GetObject());
134 // If everything went fine, draw the result
135 if (output)
136 output->Print();
cda4fe9e 137}
138
139TMap* CreateDCSAliasMap()
140{
58571f69 141 // Creates a DCS structure
142 // The structure is the following:
143 // TMap (key --> value)
144 // <DCSAlias> --> <valueList>
145 // <DCSAlias> is a string
146 // <valueList> is a TObjArray of AliDCSValue
147 // An AliDCSValue consists of timestamp and a value in form
148 // of a AliSimpleValue
149
150 // In this example 6 aliases exists: DCSAlias1 ... DCSAlias6
151 // Each contains 1000 values randomly generated by TRandom::Gaus + 5*nAlias
152
153 TMap* aliasMap = new TMap;
154 aliasMap->SetOwner(1);
155
156 TRandom random;
157
158 for(int nAlias=0;nAlias<6;nAlias++)
cda4fe9e 159 {
58571f69 160 TObjArray* valueSet = new TObjArray;
161 valueSet->SetOwner(1);
162
163 TString aliasName="DCSAlias";
164 aliasName += nAlias;
165 //printf("\n\n alias: %s\n\n",aliasName.Data());
166
167 for (int timeStamp=0;timeStamp<1000;timeStamp+=10)
168 {
169 AliDCSValue* dcsVal = new AliDCSValue((Float_t) (random.Gaus()+5*nAlias), timeStamp);
170 //printf("%s\n",dcsVal->ToString().Data());
171 valueSet->Add(dcsVal);
172 }
173 aliasMap->Add(new TObjString(aliasName), valueSet);
cda4fe9e 174 }
58571f69 175
176 return aliasMap;
cda4fe9e 177}
178
179TMap* ReadDCSAliasMap()
180{
58571f69 181 // Open a file that contains DCS input data
182 // The CDB framework is used to open the file, this means the file is located
183 // in $ALICE_ROOT/SHUTTLE/TestShuttle/TestCDB/<detector>/DCS/Data
184 // The file contains an AliCDBEntry that contains a TMap with the DCS structure.
185 // An explanation of the structure can be found in CreateDCSAliasMap()
186
187 AliCDBEntry *entry = AliCDBManager::Instance()->GetStorage(AliShuttleInterface::GetMainCDB())
188 ->Get("DET/DCS/Data", 0);
189 return dynamic_cast<TMap*> (entry->GetObject());
cda4fe9e 190}
191
192void WriteDCSAliasMap()
193{
58571f69 194 // This writes the output from CreateDCSAliasMap to a CDB file
195
196 TMap* dcsAliasMap = CreateDCSAliasMap();
197
198 AliCDBMetaData metaData;
199 metaData.SetBeamPeriod(0);
200 metaData.SetResponsible("Responsible person");
201 metaData.SetComment("Test object for TestPreprocessor.C");
202
203 AliCDBId id("DET/DCS/Data", 0, 0);
204
205 // look into AliTestShuttle's CDB main folder
206
207 AliCDBManager::Instance()->GetStorage(AliShuttleInterface::GetMainCDB())
208 ->Put(dcsAliasMap, id, &metaData);
cda4fe9e 209}